Hourly Weather Forecast - Acton, MT

12 AM
33°F
10%
4mph
W
Cloudy
Humidity
87%
Feels like
29°F
Dew Point
29°F
1 AM
33°F
10%
4mph
SW
Cloudy
Humidity
86%
Feels like
29°F
Dew Point
29°F
2 AM
33°F
10%
4mph
SW
Cloudy
Humidity
85%
Feels like
29°F
Dew Point
29°F
3 AM
33°F
10%
5mph
SW
Cloudy
Humidity
85%
Feels like
29°F
Dew Point
29°F
4 AM
34°F
10%
6mph
WSW
Cloudy
Humidity
85%
Feels like
29°F
Dew Point
30°F
5 AM
34°F
10%
7mph
WSW
Cloudy
Humidity
85%
Feels like
29°F
Dew Point
30°F
6 AM
34°F
10%
9mph
W
Cloudy
Humidity
86%
Feels like
27°F
Dew Point
31°F
7 AM
35°F
20%
10mph
W
Cloudy
Humidity
88%
Feels like
27°F
Dew Point
31°F
7:53 AM
8 AM
35°F
20%
10mph
W
Cloudy
Humidity
88%
Feels like
27°F
Dew Point
32°F
9 AM
37°F
20%
10mph
W
Cloudy
Humidity
87%
Feels like
30°F
Dew Point
33°F
10 AM
39°F
20%
11mph
W
Cloudy
Humidity
84%
Feels like
32°F
Dew Point
35°F
11 AM
41°F
50%
11mph
W
50% Chance of Light Rain
Humidity
81%
Feels like
35°F
Dew Point
36°F
12 PM
42°F
50%
10mph
W
50% Chance of Light Rain
Humidity
77%
Feels like
37°F
Dew Point
36°F
1 PM
43°F
40%
9mph
W
40% Chance Rain Showers
Humidity
73%
Feels like
38°F
Dew Point
35°F
2 PM
43°F
30%
9mph
WNW
30% Chance Rain Showers
Humidity
71%
Feels like
38°F
Dew Point
34°F
3 PM
42°F
20%
8mph
NW
Mostly Cloudy
Humidity
73%
Feels like
37°F
Dew Point
34°F
4 PM
40°F
0%
5mph
NW
Cloudy
Humidity
77%
Feels like
36°F
Dew Point
33°F
4:32 PM
5 PM
38°F
0%
4mph
NNW
Cloudy
Humidity
80%
Feels like
35°F
Dew Point
32°F
6 PM
37°F
10%
2mph
N
Cloudy
Humidity
81%
Feels like
37°F
Dew Point
32°F
7 PM
36°F
10%
2mph
E
Cloudy
Humidity
82%
Feels like
36°F
Dew Point
31°F
8 PM
36°F
10%
4mph
ESE
Cloudy
Humidity
82%
Feels like
33°F
Dew Point
31°F
9 PM
35°F
0%
4mph
E
Mostly Cloudy
Humidity
83%
Feels like
32°F
Dew Point
31°F
10 PM
35°F
0%
4mph
E
Partly Cloudy
Humidity
85%
Feels like
31°F
Dew Point
31°F
11 PM
34°F
0%
5mph
ENE
Partly Cloudy
Humidity
86%
Feels like
29°F
Dew Point
30°F

Rain And Snow Totals Through Monday

Atmospheric River Impacts Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California through Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Today's Weather Outlook

Today's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide